Synology DiskStation DS2015xs review
Synology’s DS2015xs makes 10GbE storage networks even more affordable
With its SFP+ ports and Annapurna SoC, the DS2015xs is a bit of an odd-ball NAS appliance. IP SAN write performance isn’t great but it has no problems with NAS operations and you won’t get dual 10GbE ports as standard for less than this
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Very good value; dual 10GbE SFP+ ports; Good NAS performer; Feature-rich DSM software
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10GbE transceivers increase price; Alpine SoC delivers poor iSCSI write performance
A mixed performance
We connected the DS2015xs over a direct 10GbE fibre link to an HP ProLiant DL380 Gen9 rack server. This was equipped with dual 14-core E5-2695 v3 Xeons, 64GB of DDR4, an Emulex OCE11102-NM dual port 10GbE adapter and Windows Server 2012 R2 at the helm.
Performance for NAS shares is good with Iometer reporting raw sequential read and write rates of 1077MB/sec and 1002MB/sec Netgear's ReadyNAS 716 mustered speeds of 1032MB/sec and 600MB/sec. The DS2015xs handles backup tasks well with our 22.4GB test folder and its 10,500 small files copied to the share at a speedy average of 265MB/sec.
IP SAN performance over 10GbE is less impressive with Iometer returning read and write rates for a 500GB target of 975MB/sec and 495MB/sec. An MPIO link didn't improve the picture much with read and write speeds increasing marginally to 1161MB/sec and 552MB/sec.
The updated Notes Station lets you create masterpieces on the move and share them with other DSM users
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